uname -ar yields:
Linux routerplus4 4.9.65-1-hardened #2-Alpine SMP Mon Nov 27 15:36:15 GMT 2017 i686 Linux

[2018-04-30 14:59:11] [NOTICE] dnscrypt-proxy is ready - live servers: 31
unexpected fault address 0x30a4a000
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x30a4a000 pc=0x1304d9de]

goroutine 76 [running]:
runtime.throw(0x13274a5e, 0x5)
	/usr/lib/go/src/runtime/panic.go:616 +0x77 fp=0x307fac08 sp=0x307fabfc pc=0x12f03bd7
runtime.sigpanic()
	/usr/lib/go/src/runtime/signal_unix.go:395 +0x1e4 fp=0x307fac2c sp=0x307fac08 pc=0x12f195a4
github.com/aead/chacha20/chacha.xorKeyStreamSSE2(0x307fad2c, 0x40, 0x40, 0x307fad2c, 0x40, 0x40, 0x304640d0, 0x30464090, 0x14, 0x1304c965)
	/home/buildozer/aports/community/dnscrypt-proxy/src/dnscrypt-proxy-2.0.11/src/github.com/aead/chacha20/chacha/chacha_386.s:157 +0x16e fp=0x307fac30 sp=0x307fac2c pc=0x1304d9de
github.com/aead/chacha20/chacha.xorKeyStream(0x307fad2c, 0x40, 0x40, 0x307fad2c, 0x40, 0x40, 0x304640d0, 0x30464090, 0x14, 0x20)
	/home/buildozer/aports/community/dnscrypt-proxy/src/dnscrypt-proxy-2.0.11/src/github.com/aead/chacha20/chacha/chacha_386.go:65 +0x8e fp=0x307fac5c sp=0x307fac30 pc=0x1304c9ee
github.com/aead/chacha20/chacha.(*Cipher).XORKeyStream(0x30464090, 0x307fad2c, 0x40, 0x40, 0x307fad2c, 0x40, 0x40)
	/home/buildozer/aports/community/dnscrypt-proxy/src/dnscrypt-proxy-2.0.11/src/github.com/aead/chacha20/chacha/chacha.go:165 +0x1b3 fp=0x307fac98 sp=0x307fac5c pc=0x1304c643
runtime: unexpected return pc for github.com/jedisct1/xsecretbox.Seal called from 0xa2b43a61
stack: frame={sp:0x307fac98, fp:0x307fad88} stack=[0x307fa000,0x307fb000)
307fac18:  30a4a000  303af260  12f2d661 <runtime.morestack+65>  12f193c5 <runtime.sigpanic+5> 
307fac28:  1304d9de <github.com/aead/chacha20/chacha.xorKeyStreamSSE2+366>  1304c9ee <github.com/aead/chacha20/chacha.xorKeyStream+142>  307fad2c  00000040 
307fac38:  00000040  307fad2c  00000040  00000040 
307fac48:  304640d0  30464090  00000014  1304c965 <github.com/aead/chacha20/chacha.xorKeyStream+5> 
307fac58:  1304c643 <github.com/aead/chacha20/chacha.(*Cipher).XORKeyStream+435>  307fad2c  00000040  00000040 
307fac68:  307fad2c  00000040  00000040  304640d0 
307fac78:  30464090  00000014  00000020  00000020 
307fac88:  00000000  00000000  1304c495 <github.com/aead/chacha20/chacha.(*Cipher).XORKeyStream+5>  13055af8 <github.com/jedisct1/xsecretbox.Seal+216> 
307fac98: <30464090  307fad2c  00000040  00000040 
307faca8:  307fad2c  00000040  00000040  30464090 
307facb8:  00000000  00000000  7fffffff  0000001f